WO2012176324A1 - Structure de porte pour véhicule - Google Patents

Structure de porte pour véhicule Download PDF

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Publication number
WO2012176324A1
WO2012176324A1 PCT/JP2011/064483 JP2011064483W WO2012176324A1 WO 2012176324 A1 WO2012176324 A1 WO 2012176324A1 JP 2011064483 W JP2011064483 W JP 2011064483W WO 2012176324 A1 WO2012176324 A1 WO 2012176324A1
Authority
WO
WIPO (PCT)
Prior art keywords
door
vehicle
wall
door structure
hole
Prior art date
Application number
PCT/JP2011/064483
Other languages
English (en)
Japanese (ja)
Inventor
豊貴 井手
昌之 岡野
Original Assignee
トヨタ自動車株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to PCT/JP2011/064483 priority Critical patent/WO2012176324A1/fr
Priority to US14/126,665 priority patent/US9027982B2/en
Priority to CN201180071814.9A priority patent/CN103635338A/zh
Priority to JP2013521394A priority patent/JP5556964B2/ja
Priority to EP11868193.1A priority patent/EP2724882B1/fr
Priority to KR1020147001335A priority patent/KR101420192B1/ko
Publication of WO2012176324A1 publication Critical patent/WO2012176324A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J10/00—Sealing arrangements
    • B60J10/20—Sealing arrangements characterised by the shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/0401—Upper door structure
    • B60J5/0402—Upper door structure window frame details, including sash guides and glass runs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J10/00—Sealing arrangements
    • B60J10/50—Sealing arrangements characterised by means for prevention or reduction of noise, e.g. of rattling or vibration of windows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J10/00—Sealing arrangements
    • B60J10/70—Sealing arrangements specially adapted for windows or windscreens
    • B60J10/74—Sealing arrangements specially adapted for windows or windscreens for sliding window panes, e.g. sash guides
    • B60J10/75—Sealing arrangements specially adapted for windows or windscreens for sliding window panes, e.g. sash guides for sealing the lower part of the panes

Definitions

  • the present invention relates to a vehicle door structure.
  • Patent Document 1 discloses a structure in which an inner weather strip having two seal lips that are in sliding contact with the inner surface of a door glass is disposed on the inner side of the door glass inside the side door.
  • the object of the present invention is to obtain a vehicle door structure that can enhance the sound insulation effect in consideration of the above facts.
  • a vehicle door structure includes a door body that supports a door glass so as to be movable up and down, a wall that is provided in the door body and has an opening formed at a position facing the door glass, An elastically deformable seal lip disposed so as to protrude from the wall and slidably contact the door glass; and constitute a part of the door main body, on the opposite side of the wall from the door glass A wall body that forms a closed space communicating with the opening together with the wall.
  • a vehicle door structure according to a second aspect of the present invention is the vehicle door structure according to the first aspect, wherein the seal member includes at least two seal lips arranged in parallel in the vehicle upper and lower sides, The opening is provided between the adjacent seal lips.
  • a vehicle door structure according to a third aspect of the present invention is the vehicle door structure according to the first aspect or the second aspect, wherein the seal member constitutes a vehicle inner member of the door body. It is an inner weather strip fitted to the upper end portion of the panel, and the wall body is formed integrally with the inner weather strip.
  • a vehicle door structure according to a fourth aspect of the present invention is the vehicle door structure according to any one of the first to third aspects, wherein the opening in the wall is an upper part of the opening in the vehicle vertical direction. Are provided with a ridge projecting to the door glass side.
  • a vehicle door structure according to a fifth aspect of the present invention is the vehicle door structure according to any one of the first to fourth aspects, wherein the closed space is divided into the wall body. At least one partition wall is provided, and another opening is formed in the partition wall.
  • the seal member provided in the door main body includes a wall having an opening formed at a position facing the door glass, and a seal lip protruding from the wall.
  • the seal lip is in sliding contact with the door glass.
  • On the opposite side of the seal member wall from the door glass there is provided a wall body that forms a part of the door body and forms a closed space that communicates with the opening of the seal member together with the wall of the seal member.
  • the sound energy is changed to vibration energy, and the vibration energy is further changed to heat energy by the viscous resistance and friction of air, thereby reducing the sound. For this reason, the sound of a specific frequency can be reduced and the sound insulation effect can be improved.
  • the seal member includes at least two seal lips arranged in parallel in the vehicle upper and lower sides, and has an opening in the wall between adjacent seal lips. Is provided.
  • a spring mass system including an opening and a closed space of the wall body behind the spring mass system including two seal lips is added. Thereby, it is possible to increase the frequency range in which sound is reduced, and the sound insulation effect can be more reliably enhanced.
  • the seal member is an inner weather strip that is fitted to the upper end portion of the door inner panel constituting the vehicle inner member of the door body, and the closed space is closed.
  • the wall to be formed is formed integrally with the inner weather strip.
  • the ridge projecting toward the door glass side is provided at the upper part of the opening in the wall of the seal member in the vehicle vertical direction, and condensation or the like is formed on the inner surface of the door glass.
  • condensation or the like is formed on the inner surface of the door glass.
  • the wall body is provided with at least one partition wall that divides the closed space, and by forming another opening in the partition wall, In addition to the spring mass system formed by the formed opening and the space behind it, a spring mass system formed by the other opening of the partition and the space behind it is added. Thereby, it is possible to increase the frequency range in which sound is reduced, and the sound insulation effect can be enhanced more effectively.
  • the vehicle door structure according to the present invention can enhance the sound insulation effect.
  • FIG. 2 is a longitudinal sectional view showing a configuration of a vehicle door structure taken along line 2-2 in FIG. It is a perspective view which shows the inner weather strip used for the vehicle door structure which concerns on 1st Embodiment. It is a longitudinal cross-sectional view which shows the state in which the inner weather strip shown in FIG. 2 was attached to the inner panel with the clip. It is a perspective view which shows the state in which the clip was provided in the inner weather strip.
  • FIG. 1 It is a figure which shows the spring mass system by two seal lips of the inner weather strip used for the vehicle door structure of a comparative example. It is a longitudinal cross-sectional view which shows the inner weather strip and door glass which are used for the vehicle door structure which concerns on 1st Embodiment. It is a figure which shows typically two seal lips, a through-hole, and closed space of the inner weather strip used for the vehicle door structure which concerns on 1st Embodiment. It is a figure which shows the spring mass system by two seal lips, a through-hole, and closed space of the inner weather strip used for the vehicle door structure of a comparative example.
  • FIG. 24 is an enlarged longitudinal sectional view showing a ridge above the through hole of the inner weather strip used in the configuration of the vehicle door structure shown in FIG. 23.
  • an arrow FR appropriately shown indicates the vehicle front side
  • an arrow UP indicates the vehicle upper side
  • an arrow OUT indicates the vehicle width direction outer side.
  • FIG. 1 shows a front side door to which a vehicle door structure according to this embodiment is applied as viewed from the inside of the vehicle.
  • 2 shows a longitudinal sectional view of the front side door taken along line 2-2 in FIG.
  • a front side door 10 as a vehicle door is provided on a side portion (not shown) of the vehicle.
  • the front side door 10 is attached to a front door opening (not shown) provided on the side of the vehicle so as to be openable and closable.
  • the front side door 10 includes a door main body 12 configured to include a door outer panel 14 disposed on the outer side in the vehicle width direction and a door inner panel 16 disposed on the inner side in the vehicle width direction.
  • the edge part excluding the upper edge part 14A of the door outer panel 14 is integrated with the edge part 16B except the upper edge part 16A of the door inner panel 16 by hemming, so that the door outer panel 14 and the door inner panel 16 Is formed in a closed cross-sectional structure.
  • the vehicle door structure 28 of the present embodiment is applied to the front side door 10.
  • the front side door 10 is disposed inside the door main body 12 (between the door outer panel 14 and the door inner panel 16) from a gap between opposing portions of the upper edge portion 14 ⁇ / b> A of the door outer panel 14 and the upper edge portion 16 ⁇ / b> A of the door inner panel 16.
  • a door glass (side door glass) 18 disposed so as to be movable up and down in the vehicle vertical direction.
  • a door frame 20 for guiding the door glass 18 when moving up and down is attached to the upper side of the door body 12 in a gate shape in a side view of the vehicle. That is, the door body 12 supports the door glass 18 disposed inside the door frame 20 in a vehicle side view so as to be movable up and down.
  • a door inner reinforcement 24 is disposed on the inner side of the upper portion of the door inner panel 16 in the vehicle width direction, and is formed at the upper edge portion 16 ⁇ / b> A of the door inner panel 16 and the upper end of the door inner reinforcement 24.
  • the vertical wall portion 24A is joined by welding or the like in a surface contact state.
  • a curved surface-like projecting portion 24B that projects inward in the vehicle width direction is formed at the vehicle vertical direction intermediate portion of the vertical wall portion 24A of the door inner reinforcement 24.
  • an example of a seal member is provided at a joint portion between the upper edge portion 16 ⁇ / b> A of the door inner panel 16 and the vertical wall portion 24 ⁇ / b> A of the door inner reinforcement 24.
  • the inner weather strip 30 is attached by a plurality of clips 40. Further, on the inner side of the door body 12 in the vehicle width direction (vehicle compartment 26 side), the inner surface of the door inner panel 16 and the door inner reinforcement 24 from the upper end of the door inner panel 16, the door inner reinforcement 24 and the inner weather strip 30.
  • a door trim 46 is attached to cover the door.
  • the clip 40 is made of metal, and includes a sandwiching portion 40A having a substantially U-shaped cross section that opens to the vehicle lower side.
  • the clip 40 ⁇ / b> A includes a leaf spring that can be elastically deformed in a direction intersecting the upper edge 16 ⁇ / b> A of the door inner panel 16, and the upper edge 16 ⁇ / b> A of the door inner panel 16 and the vertical wall 24 ⁇ / b> A of the door inner reinforcement 24. 40A of clamping parts are engage
  • a bent portion 40B having a substantially U-shaped cross section that opens to the upper side of the vehicle is formed in the wall portion on the vehicle inner side of the holding portion 40A of the clip 40, continuously to the wall portion on the vehicle inner side.
  • a vertical wall 32B on the vehicle inner side of a mounting portion 32 of the inner weather strip 30 described later is inserted into the bent portion 40B.
  • the vertical wall 32B of the inner weather strip 30 presses the vehicle inner wall portion of the holding portion 40A in a direction in contact with the projecting portion 24B of the vertical wall portion 24A, so that the holding portion 40A of the clip 40 becomes the door inner.
  • the panel 16 is fixed to a joint portion between the upper edge portion 16 ⁇ / b> A of the panel 16 and the vertical wall portion 24 ⁇ / b> A of the door inner reinforcement 24.
  • a bent portion 40C that is bent so as to protrude toward the vehicle inner side is formed at the upper end portion of the bent portion 40B of the clip 40 on the vehicle inner side.
  • An engaging portion is formed at the tip of the bent portion 40C, and an opening (not shown) formed in the door trim 46 is engaged.
  • the inner weather strip 30 is a long member provided on the upper part of the door inner panel 16 along the vehicle front-rear direction.
  • the inner weather strip 30 is a wall body that forms a substantially rectangular closed space S together with a mounting portion 32 having a substantially U-shaped cross section with an opening formed on the vehicle lower side and a vertical wall 32A on the vehicle outer side of the mounting portion 32.
  • a mounting portion 32 having a substantially U-shaped cross section with an opening formed on the vehicle lower side and a vertical wall 32A on the vehicle outer side of the mounting portion 32.
  • two seal lips 36 extending so as to protrude from the vertical wall (wall) 34A forming the wall outside the vehicle 34 to the door glass 18 side, and a vertical space between the two seal lips 36.
  • a through hole 38 as an example of an opening formed in the wall 34A.
  • the attachment portion 32 of the inner weather strip 30 is connected to the upper edge portion 16 ⁇ / b> A of the door inner panel 16 and the vertical wall portion 24 ⁇ / b> A of the door inner reinforcement 24 by the clip 40 in a state of being externally inserted into the clamping portion 40 ⁇ / b> A of the clip 40. Is attached.
  • the vertical wall (wall) 34A of the wall body 34 is The door glass 18 is disposed so as to face the door glass 18.
  • the two seal lips 36 are formed in parallel with the vertical wall 34A on the top and bottom of the vehicle.
  • the vertical wall 34 ⁇ / b> A and the two seal lips 36 are arranged along the vehicle front-rear direction of the door body 12.
  • the two seal lips 36 extend in a direction intersecting with the track on which the door glass 18 moves up and down, and the tips of the two seal lips 36 face the obliquely upward side of the vehicle with respect to the wall surface of the vertical wall 34A.
  • the two seal lips 36 can be elastically deformed in a direction intersecting with the direction in which the tip extends. Then, the seal lip 36 is slidably brought into sliding contact with the door glass 18 so that the sealing performance with the door glass 18 is ensured.
  • the through hole (opening) 38 is formed at a position facing the door glass 18 of the vertical wall 34 ⁇ / b> A and in the vicinity of the seal lip 36.
  • the through hole 38 is provided at a position overlapping the tip of the seal lip 36 on the vehicle lower side in a side view of the vehicle.
  • a plurality of through holes 38 are formed between the two seal lips 36 along the longitudinal direction (vehicle longitudinal direction) of the vertical wall 34A (see FIG. 3).
  • the plurality of through holes 38 have a circular shape having substantially the same size.
  • a wall 34 that communicates with the through hole 38 to form the closed space S is provided on the opposite side of the vertical wall 34 ⁇ / b> A to the door glass 18, and the vertical wall 34 ⁇ / b> A is formed integrally with the wall 34.
  • the wall body 34 that forms the closed space S behind the through hole 38 of the vertical wall 34 ⁇ / b> A with respect to the door glass 18 is disposed.
  • the wall body 34 that forms the closed space S is disposed along the vehicle front-rear direction outside the door inner panel 16 in the vehicle width direction inside the door body 12 (see FIG. 3).
  • the mounting portion 32 of the inner weather strip 30, the wall body 34, and the two seal lips 36 are integrally formed of an elastic member such as rubber or resin (in this embodiment, rubber).
  • the inner weather strip 30 is formed by extrusion molding. Thereby, the wall 34 provided with the closed space S communicating with the through hole 38 can be easily formed by the inner weather strip 30.
  • two protruding pieces 30A and 30B that abut against the door trim 46 are formed on the upper portion of the wall 34 of the inner weather strip 30.
  • a clip 40 and a vertical wall 32A of the mounting portion 32 are provided on the vehicle inner side.
  • Two protruding pieces 30 ⁇ / b> C that abut against the door inner panel 16 are formed.
  • the upper end portion 47A of the base material 47 of the door trim 46 is arranged so as to go inward in the vehicle width direction from the vehicle upper side of the inner weather strip 30.
  • the door trim 46 is provided with a skin 48 so as to cover the upper surface of the base material 47 and the outer side surface portion in the vehicle width direction.
  • the projecting pieces 30 ⁇ / b> A and 30 ⁇ / b> B of the inner weather strip 30 abut on the back side of the door trim 46, so that the sealability between the inner weather strip 30 and the door trim 46 is ensured.
  • the projecting piece 30 ⁇ / b> C of the inner weather strip 30 abuts on the door inner panel 16 and the clip 40, so that the sealability between the inner weather strip 30 and the door inner panel 16 is ensured.
  • a rubber or resin belt molding 50 disposed along the vehicle front-rear direction of the door body 12 is attached to the upper edge portion 14 ⁇ / b> A of the door outer panel 14.
  • the belt molding 50 is opened to the vehicle lower side and is attached to the upper edge portion 14A of the door outer panel 14 and two pieces projecting from the vehicle inner vertical wall 52A constituting the attachment portion 52 to the door glass 18 side.
  • the sealing lip 54 is provided.
  • the two seal lips 54 are arranged in parallel in the vehicle upper and lower sides. The two seal lips 54 extend in a direction intersecting with the track on which the door glass 18 moves up and down, and the sealing lip 54 is secured to the door glass 18 by the sliding contact of the front end of the seal lip 54 with the door glass 18. .
  • FIG. 6 shows the wall 34 of the inner weather strip 30 in a cross-sectional view along the vehicle longitudinal direction.
  • a plurality of through holes 38 are formed in the longitudinal wall 34 ⁇ / b> A of the wall body 34 facing the door glass 18 (see FIG. 2) along the longitudinal direction of the inner weather strip 30.
  • a wall body 34 that forms a closed space S that communicates with the plurality of through holes 38 is provided on the opposite side of the vertical wall 34 ⁇ / b> A from the door glass 18, a wall body 34 that forms a closed space S that communicates with the plurality of through holes 38 is provided.
  • a virtual wall 34 ⁇ / b> B that divides the inside of the wall body 34 perpendicularly to the vertical wall 34 ⁇ / b> A is disposed between adjacent through holes 38.
  • spaces S1 communicating with the respective through holes 38 are formed behind the vertical wall 34A (on the side opposite to the door glass 18).
  • the air in the portion of the through hole 38 is the mass 62, and the space S1 formed by the wall body 34 and the virtual wall 34B behind the vertical wall 34A is formed.
  • a one-degree-of-freedom spring mass system 60 is formed as a spring 64.
  • the mass 62 is orthogonal to the longitudinal direction 32A of the wall 34 shown by the arrow in the spring 64. Violently vibrate in the direction of As a result, the sound energy is changed to vibration energy, and the vibration energy is changed to thermal energy due to the viscous resistance and friction of air, so that the sound of a specific frequency is remarkably reduced.
  • the sound reduction frequency f is expressed by the following equation. expressed.
  • the frequency at which the sound reduction effect is produced is determined by the size of the through hole 38 and the volume (volume) of the space S1 behind the through hole 38.
  • the spring mass system 60 since the spring mass system 60 has one degree of freedom, the sound is remarkably reduced (at a specific frequency) when resonating.
  • the frequencies 66A, 66B, and 66C that produce a sound reduction effect are changed. To do.
  • FIG. 9 shows a vehicle door structure 70 according to a first modification.
  • the same number is attached
  • the inner weather strip 72 to which the vehicle door structure 70 is applied has the wall body 34 (see FIG. 2) on the back side of the vertical wall 74 ⁇ / b> A facing the door glass 18. )
  • a wall 74 that forms a larger closed space S is formed integrally with the vertical wall 74A.
  • the inner weather strip 72 is provided with two seal lips 36, and a through hole 38 is formed in a vertical wall 74 ⁇ / b> A near the lower side of the lower seal lip 36.
  • FIG. 10 shows a vehicle door structure 80 according to a second modification.
  • the same number is attached
  • the inner weather strip 82 to which the vehicle door structure 80 is applied has the wall body 34 (see FIG. 2) on the back side of the vertical wall 74 ⁇ / b> A facing the door glass 18. )
  • a wall 74 that forms a larger closed space S is formed integrally with the vertical wall 74A.
  • two seal lips 36 are provided, and a through hole 38 is formed in a vertical wall 74A near the upper side of the upper seal lip 36.
  • the through hole 38 is provided at a position overlapping the upper seal lip 36 in a side view of the vehicle.
  • FIG. 26 shows a vehicle door structure 900 according to a comparative example.
  • the front side door 910 to which the vehicle door structure 900 is applied has an inner weather strip provided with a mounting portion 904 having a substantially U-shaped cross section in which an opening is formed on the vehicle lower side. 902 is provided.
  • the attachment portion 904 is attached to a joint portion between the upper edge portion 16A of the door inner panel 16 and the vertical wall portion 24A of the door inner reinforcement 24 with a plurality of clips (see FIG. 27).
  • two seal lips 36 extending so as to protrude toward the door glass 18 are provided in parallel in the vehicle upper and lower sides.
  • the tip of the seal lip 36 is in sliding contact with the door glass 18.
  • the inner weather strip 902 is not provided with a through hole and a closed space behind the vertical wall 904A facing the door glass 18.
  • the tip of the seal lip 36 is in contact with the inner wall surface of the door glass 18.
  • the tip of the seal lip 36 cannot be strongly pressed against the door glass 18, and the seal lip 36 and the door There is a possibility that the sound insulation performance of the contact point with the glass 18 is lowered.
  • sound outside the front side door 910 (noise outside the vehicle, etc.) may enter the vehicle interior from the gap between the tip of the seal lip 36 and the door glass 18.
  • the through hole 38 is provided in the vertical wall 74A on the lower side with respect to the two seal lips 36.
  • a spring mass system 60 (see FIG. 7) having one degree of freedom is configured by providing a wall 74 that forms a closed space S behind the through hole 38.
  • the through hole 38 is provided in the vertical wall 74A on the upper side with respect to the two seal lips 36, and
  • a spring mass system 60 (see FIG. 7) having one degree of freedom is configured by providing the wall body 74 that forms the closed space S behind the through hole 38.
  • FIG. 11 is a graph showing the relationship between frequency and sound reduction effect.
  • the case of the vehicle door structure 900 of the comparative example (see FIG. 26) is a line 86, and the vehicle door structures 70 and 80 of the first and second modified examples (see FIGS. 9 and 10). The case is indicated by line 84.
  • the vehicle door structures 70 and 80 of the first and second modified examples have a greater sound reduction effect at a specific frequency than the vehicle door structure 900 of the comparative example. Become.
  • FIG. 12 the relationship between the frequency and the sound reduction effect in the case of the vehicle door structure 28 (see FIG. 2 etc.) of the first embodiment is shown by a line 88.
  • the through-hole 38 is formed in the vertical wall 34 ⁇ / b> A between the two upper and lower seal lips 36 of the inner weather strip 30.
  • the tip ends of the two upper and lower seal lips 36 of the inner weather strip 902 are in contact with the door glass 18.
  • the upper seal lip 36 and the lower seal lip 36 in the wall body 920 are connected to each other at the upper and lower two parts connected by a connection point 922 in the center.
  • the structure is connected by a spring 924.
  • the incident sound enters the wall body 920 through the gap with the lower seal lip 36 as shown by the arrow A, and the wall 920 enters through the gap with the upper seal lip 36 as shown by the arrow B. There is a transmitted sound outside.
  • the gap between the upper seal lip 36 and the lower seal lip 36 and the wall body 920 is a mass 926.
  • a closed space between them becomes a two-degree-of-freedom spring mass system 930 having two springs 924 and 924. Therefore, when a sound having a specific frequency hits the mass 926, the mass 926 vibrates in the expansion / contraction direction (arrow direction) of the springs 924 and 924, and the energy of the sound changes to vibration energy. Since this spring mass system 930 is a vertical object, it is equivalent to a one-degree-of-freedom spring mass system and has one peak resonance.
  • an inner weather strip 30 provided with a wall body 34 that forms a closed space S behind the through hole 38.
  • a wall body 920 formed by the vehicle door structure 900 is connected to a wall body 920 formed by the vehicle door structure 900. That is, the wall body 34 is connected to the wall body 920 through the through hole 38 of the vertical wall 34A.
  • the air in the portion of the through hole 38 formed in the vertical wall 34 ⁇ / b> A becomes a mass 62, and the mass 62 has one end of the spring 64 in the closed space S of the wall body 34 and one end of the spring 90 in the closed space of the wall body 920. And the other end of the spring 90 is connected to the connection point 922.
  • FIG. 14C When the structure shown in FIG. 14B is modeled, as shown in FIG. 14C, a wall that forms a through-hole 38 and a closed space S in a two-degree-of-freedom spring mass system 930 constituted by two upper and lower seal lips 36 is formed.
  • a spring mass system 92 having three degrees of freedom is formed by adding and coupling a one-degree-of-freedom spring mass system 60 constituted by the body 34. That is, in the spring mass system 60 added to the spring mass system 930, when a sound having a specific frequency hits the air mass 62 in the through hole 38, the mass 62 vibrates vigorously in the expansion / contraction direction (arrow direction) of the spring 64. .
  • the sound energy changes to vibration energy
  • the vibration energy changes to thermal energy due to the viscous resistance and friction of air, so that the sound of a specific frequency is significantly reduced.
  • the spring mass system 930 is a vertical object, it is equivalent to a one-degree-of-freedom spring mass system, and thus the spring-mass system 92 is equivalent to a two-degree-of-freedom spring mass system.
  • the line 88 of the sound reduction effect has a two-peak resonance, and a sound reduction effect can be obtained in a wide range of frequencies.
  • FIG. 15 shows the result of measuring the sound pressure level inside the door with respect to the frequency for the vehicle door structure 28 of the present embodiment, the vehicle door structure 70 of the first modified example, and the vehicle door structure 900 of the comparative example.
  • the sound pressure level by the vehicle door structure 28 is indicated by a solid line 94A
  • the sound pressure level by the vehicle door structure 70 is indicated by a dotted line 94B
  • the sound pressure level by the vehicle door structure 900 is indicated by a two-dot chain line 94C.
  • the vehicle door structure 80 of the second modification example has a sound pressure level substantially the same as that of the dotted line 94B. Therefore, by using the vehicle door structure 28 in which the through hole 38 is formed in the vertical wall 34A between the two seal lips 36 that are in contact with the door glass 18, a sound reduction effect appears in a wide range of frequencies. For this reason, the sound insulation effect of the sound which penetrates into the vehicle interior 26 from the outside of the vehicle can be enhanced.
  • the inner weather strip 102 to which the vehicle door structure 100 is applied has a through hole 38 formed in the vertical wall 34 ⁇ / b> A facing the door glass 18, and the back of the through hole 38 (door A wall 34 that forms a closed space is provided on the side opposite to the glass 18.
  • a partition wall 104 is provided inside the wall body 34 and is arranged along the vehicle width direction and divides the closed space.
  • a through hole 106 as an example of another opening is provided in the central portion of the partition wall 104.
  • a space S2 is provided behind the through hole 38 formed in the vertical wall 34A (on the side opposite to the door glass 18) by the wall body 34 and the partition wall 104, and the through hole 106 formed in the partition wall 104 is further provided.
  • Another closed space S3 is provided by the wall body 34 and the partition wall 104 on the back side (the side opposite to the closed space S2). That is, the wall 34 of the inner weather strip 102 has a double structure through the partition wall 104 having the through hole 106, and the through hole 38 and the space S2, the through hole 106, and the closed space S3 are arranged in series.
  • the through hole 106 has a circular shape that is substantially the same size as the through hole 38.
  • the inner weather strip 102 is integrally formed of an elastic member such as rubber or resin. Thereby, the wall body 34 provided with the vertical wall 34A and the partition 104 can be manufactured easily.
  • the air in the portion of the through hole 106 formed in the partition wall 104 is a mass 114 in the vicinity of the partition wall 104, and the back side of the through hole 106.
  • the spring mass system 110 is formed by connecting the system 60 and the mass 114 and the spring mass system 122 having one degree of freedom by the spring 116 in series. Thereby, the valley between the two peaks of the sound reduction effect line 88 shown in FIG. 12 becomes more gentle, and the portion where the sound reduction effect between the two peaks is weakened is reduced. For this reason, the sound reduction effect can be obtained more reliably in a wide frequency range.
  • the partition wall 104 is provided in the vehicle body 34 in the vehicle width direction (lateral direction).
  • the wall body 34 is provided in the vertical direction.
  • a partition wall may be provided, and a through hole may be provided in the partition wall. That is, the space S2 may be formed behind the through hole 38 formed in the vertical wall 34A, and another closed space S3 may be provided on the back side of the through hole 106 of the partition wall in contact with the space S2.
  • one partition 104 is provided inside the wall body 34.
  • the present invention is not limited to this, and a plurality of partitions are provided, and through holes are formed in each partition. May be. That is, it is preferable that the number of partition walls and through holes is large. Thereby, the sound reduction effect can be more reliably obtained in a wide frequency range.
  • the inner weather strip 132 to which the vehicle door structure 130 is applied has two through-holes (openings) between the two seal lips 36 in the vertical wall 34 ⁇ / b> A facing the door glass 18.
  • 134 and 136 are provided in parallel in the vertical direction.
  • a wall body 34 that forms a closed space is provided behind the through holes 134 and 136 (on the side opposite to the door glass 18).
  • a virtual wall 138 is disposed in the wall body 34 along the vehicle width direction between the through holes 134 and 136. That is, the virtual wall 138 divides the closed space in the wall body 34, the space S 4 is formed behind the through hole 134, and the space S 5 is formed behind the through hole 134.
  • a spring mass system 930 (see FIG. 17) constituted by two upper and lower seal lips 36, a one-degree-of-freedom spring mass system constituted by a through hole 134 and a space S4, A one-degree-of-freedom spring mass system composed of the through hole 136 and the space S5 is arranged in parallel.
  • the two through holes 134 and 136 are provided in the vertical direction between the two seal lips 36 in the vertical wall 34A.
  • Three or more through-holes may be provided.
  • positioned the through-hole in zigzag form by vehicle side view may be sufficient. That is, it is preferable that the number of through holes is large. Thereby, the sound reduction effect can be obtained more reliably in a wide frequency range.
  • the inner weather strip 152 to which the vehicle door structure 150 is applied is provided with a mounting portion 154 having a substantially U-shaped cross section with an opening formed on the vehicle lower side.
  • the portion 154 is fitted into a joint portion between the upper edge portion 16A of the door inner panel 16 and the vertical wall portion 24A of the door inner reinforcement 24, and is fixed by a plurality of clips (not shown).
  • a vertical wall 154A on the vehicle outer side of the mounting portion 154 is disposed so as to face the door glass 18, and two seal lips 36 are provided on the outer surface of the vertical wall 154A in the vehicle width direction.
  • a through hole 38 is formed between the two seal lips 36 of the vertical wall 154A, and an upper side and a lower side (two seals) of the through hole 38 are formed on the inner surface of the vertical wall 154A in the vehicle width direction.
  • Lip portions 152A and 152B that contact the upper edge portion 16A of the door inner panel 16 are formed on the opposite side of the lip 36).
  • the lip portions 152A and 152B are provided to close the space behind the through hole 38 (on the side opposite to the door glass 18).
  • a closed space is formed behind the through hole 38 of the vertical wall 154A by a wall body including the vertical wall 154A, the upper and lower lip portions 152A and 152B, and the upper edge portion 16A of the door inner panel 16. S is formed.
  • a spring mass system is formed in which the air in the portion of the through hole 38 is a mass and the closed space S behind the through hole 38 is a spring.
  • the inner weather strip 152 has a small size in the vehicle width direction. Therefore, the position of the door inner panel 16 does not change with respect to the vehicle door structure 900 of the comparative example.
  • a closed space S can be formed. Therefore, sound can be effectively reduced even when there is a space restriction due to other components. For this reason, the sound insulation effect of the sound which penetrates into the vehicle interior from the outside of the vehicle can be enhanced.
  • an inner weather strip 162 is provided with a mounting portion 154, and a through hole 38 is formed in a vertical wall 154A on the vehicle outer side of the mounting portion 154.
  • the door inner panel 164 includes a horizontal wall portion 164A bent outward in the vehicle width direction on the lower side of the upper edge portion 16A, and a vertical wall portion 164B bent downward from the vehicle width direction outer end portion of the horizontal wall portion 164A toward the vehicle lower side. It is equipped with.
  • the door inner reinforcement 166 has a lateral wall portion 166A bent to the inner side in the vehicle width direction on the lower side of the vertical wall portion 24A at the upper end, and a curved shape bent to the vehicle lower side from the inner end portion in the vehicle width direction of the horizontal wall portion 166A.
  • the attachment portion 154 of the inner weather strip 162 is fitted into and fixed to a joint portion between the upper edge portion 16A of the door inner panel 164 and the vertical wall portion 24A of the door inner reinforcement 166, and is fixed to the vertical wall 154A on the outside of the vehicle.
  • the lower end portion is in contact with the horizontal wall portion 164A of the door inner panel 164, and the lower end portion of the vertical wall 154B inside the vehicle is in contact with the horizontal wall portion 166A of the door inner reinforcement 166. That is, the lateral wall portion 164A of the door inner panel 164 and the lateral wall portion 166A of the door inner reinforcement 166 are provided to close the space behind the through hole 38.
  • a closed space S is formed behind the through hole 38 of the vertical wall 154A by a wall body including the mounting portion 154, the door inner panel 164, and the door inner reinforcement 166. Therefore, a spring mass system is formed in which the air in the portion of the through hole 38 is a mass and the closed space S behind the through hole 38 is a spring.
  • the inner weather strip 172 is provided with a substantially U-shaped attachment portion 174, and the attachment portion 174 is connected to the upper edge portion 16 ⁇ / b> A of the door inner panel 16 and the door inner.
  • the reinforcement 24 is fitted into a joint portion with the vertical wall portion 24A and fixed by a plurality of clips (not shown).
  • a vertical wall 174A on the vehicle outer side of the mounting portion 174 is disposed so as to face the door glass 18, and three seal lips 36 are provided in the vertical direction on the outer surface of the vertical wall 174A in the vehicle width direction. Through holes 38 are formed between the three seal lips 36 of the vertical wall 174A.
  • lip portions 172A and 172B that contact the upper edge portion 16A of the door inner panel 16 are formed on the upper side and the lower side with respect to the two through holes 38.
  • the lip portions 172A and 172B are provided to close the space behind the two through holes 38 (on the side opposite to the door glass 18).
  • a wall body constituted by a vertical wall 174A, upper and lower lip portions 172A and 172B, and an upper edge portion 16A of the door inner panel 16 behind a through hole 38 provided in the vertical wall 174A.
  • a closed space S is formed. Accordingly, the number of the seal lips 36 can be increased and the through holes 38 can be opened between the seal lips 36, and the sound can be more effectively reduced by the space behind each through hole 38. For this reason, the sound insulation effect of the sound which penetrates into the vehicle interior from the outside of the vehicle can be improved more reliably.
  • the number of the seal lips 36 is three. However, the number of the seal lips 36 may be further increased and a through hole may be provided between the seal lips 36. By increasing the number of seal lips 36 and the number of through holes, the sound insulation effect can be further enhanced.
  • a belt molding 192 as an example of a seal member is fixed to the upper edge portion 14A of the door outer panel 14 by a plurality of clips or the like.
  • the belt molding 192 projects to the door glass 18 side from a mounting portion 194 that opens to the vehicle lower side and is fitted into the upper edge portion 14A of the door outer panel 14 and a vertical wall 194A that forms the mounting portion 194 on the inner side in the vehicle width direction.
  • the two seal lips 54 have their tip portions directed obliquely upward in the vehicle with respect to the wall surface of the vertical wall 194A.
  • a through hole 38 is formed in the vertical wall 194 ⁇ / b> A between the two seal lips 54.
  • the through hole 38 is provided in the vicinity of the two seal lips 54 in a side view of the vehicle and at a position overlapping the tip of the lower seal lip 54.
  • the belt molding 192 is formed with two protruding pieces 50A that contact the door outer panel 14 on the upper side and the lower side of the through hole 38 on the vehicle outer surface of the vertical wall 194A. Thereby, a closed space S is formed behind the through hole 38 (on the side opposite to the door glass 18).
  • the inner weather strip 902 is the same as the vehicle door structure 900 of the comparative example.
  • a closed space S is formed behind the through hole 38 of the vertical wall 194A by a wall body including the vertical wall 194A, the upper and lower protruding pieces 50A, and the upper edge portion 14A of the door outer panel 14.
  • a spring mass system is formed in which the air in the portion of the through hole 38 is a mass and the closed space S behind the through hole 38 is a spring, and the sound of a specific frequency can be reduced. For this reason, the sound insulation effect of the sound which penetrates into the vehicle interior from the outside of the vehicle can be enhanced.
  • FIGS. Note that the same components as those in the first to seventh embodiments are denoted by the same reference numerals and description thereof is omitted.
  • the inner weather strip 202 to which the vehicle door structure 200 is applied has a through hole 38 formed between two seal lips 36 in the vertical wall 34 ⁇ / b> A facing the door glass 18.
  • a flange 204 is provided on the upper side of the through hole 38 and protrudes outward from the vertical wall 34A in the vehicle width direction. As shown in FIG. 24, the flange 204 is formed to be slightly inclined toward the vehicle lower side with respect to the outer wall surface of the vertical wall 34A.
  • the plurality of through holes 38 formed in the vertical wall facing the door glass 18 have a circular shape with substantially the same size (see FIG. 3).
  • the through holes (openings) may have different sizes. Since the frequency at which the sound is reduced is determined by the size of the through-hole and the volume of the closed space, in order to reduce the sound of different frequencies, the size of the multiple through-holes is set in several stages (for example, large, medium, small (3 stages) may be changed.
  • the through hole has a circular shape, it may have another shape such as a triangle, a quadrangle, or a polygon.
  • the shape of a through-hole is not ask
  • the shape of the wall body forming the closed space behind the through hole is not particularly limited. Or a polyhedron.
  • a configuration may be adopted in which a closed space is formed by connecting a duct from a through hole in a vertical wall facing the door glass 18.
  • the vehicle door structure is provided on the front side door.
  • the present invention is not limited to this and can be applied to other vehicle doors such as a rear side door.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Seal Device For Vehicle (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

L'invention porte sur une structure de porte pour un véhicule, laquelle structure de porte présente un effet accru de prévention de l'entrée de bruit dans l'intérieur du véhicule à partir de l'extérieur du véhicule. Une porte côté avant (10) sur laquelle une structure de porte (28) pour un véhicule est appliquée présente une bande anti-intempéries (30) disposée sur le corps de porte (12) pour supporter la vitre de porte (18), de tele sorte que la vitre de porte (18) puisse être déplacée verticalement, la bande anti-intempéries (30) comprenant : une paroi (34A) dans laquelle une ouverture (38) est formée en une position dirigée vers la vitre de porte ; et une lèvre d'étanchéité (36) qui fait saillie à partir de la paroi (34A) et qui est disposée de façon à être en contact de coulissement avec la vitre de porte. Egalement, un corps de paroi (34), qui, avec la paroi (34A), forme un espace fermé (S) communiquant avec l'ouverture (38), est disposé sur le côté opposé de la paroi (34) vis-à-vis de la vitre de porte.
PCT/JP2011/064483 2011-06-23 2011-06-23 Structure de porte pour véhicule WO2012176324A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
PCT/JP2011/064483 WO2012176324A1 (fr) 2011-06-23 2011-06-23 Structure de porte pour véhicule
US14/126,665 US9027982B2 (en) 2011-06-23 2011-06-23 Vehicle door structure
CN201180071814.9A CN103635338A (zh) 2011-06-23 2011-06-23 车辆用车门结构
JP2013521394A JP5556964B2 (ja) 2011-06-23 2011-06-23 車両用ドア構造
EP11868193.1A EP2724882B1 (fr) 2011-06-23 2011-06-23 Structure de porte pour véhicule
KR1020147001335A KR101420192B1 (ko) 2011-06-23 2011-06-23 차량용 도어 구조

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/064483 WO2012176324A1 (fr) 2011-06-23 2011-06-23 Structure de porte pour véhicule

Publications (1)

Publication Number Publication Date
WO2012176324A1 true WO2012176324A1 (fr) 2012-12-27

Family

ID=47422199

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PCT/JP2011/064483 WO2012176324A1 (fr) 2011-06-23 2011-06-23 Structure de porte pour véhicule

Country Status (6)

Country Link
US (1) US9027982B2 (fr)
EP (1) EP2724882B1 (fr)
JP (1) JP5556964B2 (fr)
KR (1) KR101420192B1 (fr)
CN (1) CN103635338A (fr)
WO (1) WO2012176324A1 (fr)

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JP2018024350A (ja) * 2016-08-10 2018-02-15 西川ゴム工業株式会社 車両用ドアのグラスラン
CN109624875A (zh) * 2017-09-11 2019-04-16 弗吉亚内饰工业 包括可变形外表面的修饰元件
EP3090892B1 (fr) * 2013-11-28 2020-12-23 Toyota Jidosha Kabushiki Kaisha Élément d'isolation acoustique et structure de porte de véhicule
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JP2017210720A (ja) * 2016-05-23 2017-11-30 清水建設株式会社 ドアシステム
JP2018024350A (ja) * 2016-08-10 2018-02-15 西川ゴム工業株式会社 車両用ドアのグラスラン
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Also Published As

Publication number Publication date
JP5556964B2 (ja) 2014-07-23
JPWO2012176324A1 (ja) 2015-02-23
EP2724882A4 (fr) 2014-11-05
US9027982B2 (en) 2015-05-12
CN103635338A (zh) 2014-03-12
EP2724882B1 (fr) 2016-11-23
EP2724882A1 (fr) 2014-04-30
US20140117704A1 (en) 2014-05-01
KR20140015630A (ko) 2014-02-06
KR101420192B1 (ko) 2014-07-17

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